$ ls -l
total 24
-rwxrwxr-x 1 mobile_c mobile_c 13008 Jan 16 13:39 c
-rw-rw-r-- 1 mobile_c mobile_c  3899 Jan 16 13:37 c.c
-rw-rw-r-- 1 mobile_c mobile_c   227 Jan 16 13:36 quotes

$ cat quotes
"''\"'\
// this should not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

$ cat c.c
#include <stdio.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>

#define pp(x)      printf("%s = %p\n", #x, x);
#define pi(x)      printf("%s = %d\n", #x, x);
#define pc(x)      printf("%s = %c\n", #x, x);
#define ps(x)      printf("%s = %s\n", #x, x);
#define psize_t(x) printf("%s = %zu\n", #x, x);
#define pb(x)      printf("%s = %s\n", #x, x==true?"true":"false");

// reads a entire file
int read__(char *file, char **p, size_t *q) {
    int fd;
    size_t len = 0;
    char *o;
    if (!(fd = open(file, O_RDONLY)))
    {
        fprintf(stderr, "open() failure\n");
        return (1);
    }
    len = lseek(fd, 0, SEEK_END);
    lseek(fd, 0, 0);
    if (!(o = malloc(len))) {
        fprintf(stderr, "failure to malloc()\n");
    }
    if ((read(fd, o, len)) == -1) {
        fprintf(stderr, "failure to read()\n");
    }
    int cl = close(fd);
    if (cl < 0) {
        fprintf(stderr, "cannot close \"%s\", returned %i\n", file, cl);
        return -1;
    }
    *p = o;
    *q = len;
    return len;
}

int bcmpcq__2(void const *vp, size_t n, void const *vp2, size_t n2)
{
    int string_match = 0;
    unsigned char const *p = vp;
    unsigned char const *p2 = vp2;
    int matches=0;
    int contains_matches=0;
    for (size_t i=0; i<n; i++) {
        if (p[i] == p2[i]) {
            matches++;
        } else {
            if (matches) contains_matches = 1;
            break;
        }
    }
    if (matches == 0) {
        return -1;
	} else if (matches == n) {
		return 0;
    } else {
        int ret = 0;
        if (contains_matches) ret = 1;
        return ret;
    }
}

int matches(char * buf, size_t index, char * x) {
	return bcmpcq__2(buf+index, strlen(x), x, strlen(x));
}

int main(int argc, char ** argv) {
	if (argc<2) return -1;
	char * file = argv[1];
	char * buf;
	size_t size;
	read__(file, &buf, &size);
	buf[size] = '\0';
	bool in_single_quotes = false;
	bool in_double_quotes = false;
	char * out = "OUTFILE.c";
    FILE * stream = NULL;
	stream = fopen(out, "w+");
    if (stream == NULL)
    {
        fprintf(stderr, "open() failure\n");
        return (-1);
    }
	for (size_t i = 0; i < size; i++) {
		psize_t(i)
		ps(buf+i)
		pc(*(buf+i))
		if (!matches(buf, i, "//")) {
			if (!in_single_quotes && !in_double_quotes) {
				puts("matching single line comment");
				while(matches(buf, i, "\n")) {
					// while is not matching \n
					pc(*(buf+i))
					i++;
				}
				// write the \n
				fwrite(buf+i, 1, 1, stream);
			}
			else {
				fwrite(buf+i, 2, 1, stream);
				i++;
			}
		}
		else if (!matches(buf, i, "/*")) {
			if (!in_single_quotes && !in_double_quotes) {
				puts("matching multi line comment");
				while(matches(buf, i, "*/")) {
					// while is not matching */
					pc(*(buf+i))
					i++;
				}
				i++;
			}
			else {
				fwrite(buf+i, 2, 1, stream);
				i++;
			}
		}
		else if (!matches(buf, i, "\\\\")) {
			// if "\\"
			puts("matched \\\\");
			fwrite(buf+i, 2, 1, stream);
			i++;
			continue;
		}
		else if (!matches(buf, i, "\\\"")) {
			// if \"
			puts("matched \\\"");
			fwrite(buf+i, 2, 1, stream);
			i++;
		}
		else if (!matches(buf, i, "\\\'")) {
			// if \"
			puts("matched \\\'");
			fwrite(buf+i, 2, 1, stream);
			i++;
		}
		else if (!matches(buf, i, "\"")) {
			// if we encounter a quote
			puts("matched \"");
			if (!in_single_quotes) in_double_quotes = !in_double_quotes;
			fwrite(buf+i, 1, 1, stream);
		}
		else if (!matches(buf, i, "'")) {
			// if we encounter a quote
			puts("matched '");
			if (!in_double_quotes) in_single_quotes = !in_single_quotes;
			fwrite(buf+i, 1, 1, stream);
		}
		else {
			fwrite(buf+i, 1, 1, stream);
		}
		pb(in_single_quotes)
		pb(in_double_quotes)
	}
    int cl = fclose(stream);
    if (cl < 0) {
        fprintf(stderr, "cannot close \"%s\", returned %i\n", out, cl);
        return -1;
    }
}

$ gcc c.c -o c


$ ./c quotes
i = 0
buf+i = "''\"'\
// this should not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = "
matched "
in_single_quotes = false
in_double_quotes = true
i = 1
buf+i = ''\"'\
// this should not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = '
matched '
in_single_quotes = false
in_double_quotes = true
i = 2
buf+i = '\"'\
// this should not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = '
matched '
in_single_quotes = false
in_double_quotes = true
i = 3
buf+i = \"'\
// this should not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = \
matched \"
in_single_quotes = false
in_double_quotes = true
i = 5
buf+i = '\
// this should not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = '
matched '
in_single_quotes = false
in_double_quotes = true
i = 6
buf+i = \
// this should not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = \
in_single_quotes = false
in_double_quotes = true
i = 7
buf+i = 
// this should not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = 

in_single_quotes = false
in_double_quotes = true
i = 8
buf+i = // this should not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = /
in_single_quotes = false
in_double_quotes = true
i = 10
buf+i =  this should not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) =  
in_single_quotes = false
in_double_quotes = true
i = 11
buf+i = this should not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = t
in_single_quotes = false
in_double_quotes = true
i = 12
buf+i = his should not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = h
in_single_quotes = false
in_double_quotes = true
i = 13
buf+i = is should not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = i
in_single_quotes = false
in_double_quotes = true
i = 14
buf+i = s should not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = s
in_single_quotes = false
in_double_quotes = true
i = 15
buf+i =  should not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) =  
in_single_quotes = false
in_double_quotes = true
i = 16
buf+i = should not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = s
in_single_quotes = false
in_double_quotes = true
i = 17
buf+i = hould not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = h
in_single_quotes = false
in_double_quotes = true
i = 18
buf+i = ould not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = o
in_single_quotes = false
in_double_quotes = true
i = 19
buf+i = uld not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = u
in_single_quotes = false
in_double_quotes = true
i = 20
buf+i = ld not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = l
in_single_quotes = false
in_double_quotes = true
i = 21
buf+i = d not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = d
in_single_quotes = false
in_double_quotes = true
i = 22
buf+i =  not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) =  
in_single_quotes = false
in_double_quotes = true
i = 23
buf+i = not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = n
in_single_quotes = false
in_double_quotes = true
i = 24
buf+i = ot match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = o
in_single_quotes = false
in_double_quotes = true
i = 25
buf+i = t match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = t
in_single_quotes = false
in_double_quotes = true
i = 26
buf+i =  match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) =  
in_single_quotes = false
in_double_quotes = true
i = 27
buf+i = match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = m
in_single_quotes = false
in_double_quotes = true
i = 28
buf+i = atch\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = a
in_single_quotes = false
in_double_quotes = true
i = 29
buf+i = tch\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = t
in_single_quotes = false
in_double_quotes = true
i = 30
buf+i = ch\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = c
in_single_quotes = false
in_double_quotes = true
i = 31
buf+i = h\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = h
in_single_quotes = false
in_double_quotes = true
i = 32
buf+i = \
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = \
in_single_quotes = false
in_double_quotes = true
i = 33
buf+i = 
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = 

in_single_quotes = false
in_double_quotes = true
i = 34
buf+i = /*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = /
in_single_quotes = false
in_double_quotes = true
i = 36
buf+i = \
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = \
in_single_quotes = false
in_double_quotes = true
i = 37
buf+i = 
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = 

in_single_quotes = false
in_double_quotes = true
i = 38
buf+i = nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = n
in_single_quotes = false
in_double_quotes = true
i = 39
buf+i = or\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = o
in_single_quotes = false
in_double_quotes = true
i = 40
buf+i = r\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = r
in_single_quotes = false
in_double_quotes = true
i = 41
buf+i = \
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = \
in_single_quotes = false
in_double_quotes = true
i = 42
buf+i = 
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = 

in_single_quotes = false
in_double_quotes = true
i = 43
buf+i = should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = s
in_single_quotes = false
in_double_quotes = true
i = 44
buf+i = hould\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = h
in_single_quotes = false
in_double_quotes = true
i = 45
buf+i = ould\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = o
in_single_quotes = false
in_double_quotes = true
i = 46
buf+i = uld\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = u
in_single_quotes = false
in_double_quotes = true
i = 47
buf+i = ld\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = l
in_single_quotes = false
in_double_quotes = true
i = 48
buf+i = d\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = d
in_single_quotes = false
in_double_quotes = true
i = 49
buf+i = \
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = \
in_single_quotes = false
in_double_quotes = true
i = 50
buf+i = 
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = 

in_single_quotes = false
in_double_quotes = true
i = 51
buf+i = this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = t
in_single_quotes = false
in_double_quotes = true
i = 52
buf+i = his\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = h
in_single_quotes = false
in_double_quotes = true
i = 53
buf+i = is\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = i
in_single_quotes = false
in_double_quotes = true
i = 54
buf+i = s\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = s
in_single_quotes = false
in_double_quotes = true
i = 55
buf+i = \
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = \
in_single_quotes = false
in_double_quotes = true
i = 56
buf+i = 
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = 

in_single_quotes = false
in_double_quotes = true
i = 57
buf+i = "
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = "
matched "
in_single_quotes = false
in_double_quotes = false
i = 58
buf+i = 
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = 

in_single_quotes = false
in_double_quotes = false
i = 59
buf+i = '\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = '
matched '
in_single_quotes = true
in_double_quotes = false
i = 60
buf+i = \'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = \
matched \'
in_single_quotes = true
in_double_quotes = false
i = 62
buf+i = \'"\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = \
matched \'
in_single_quotes = true
in_double_quotes = false
i = 64
buf+i = "\'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = "
matched "
in_single_quotes = true
in_double_quotes = false
i = 65
buf+i = \'\
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = \
matched \'
in_single_quotes = true
in_double_quotes = false
i = 67
buf+i = \
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = \
in_single_quotes = true
in_double_quotes = false
i = 68
buf+i = 
// this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = 

in_single_quotes = true
in_double_quotes = false
i = 69
buf+i = // this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = /
in_single_quotes = true
in_double_quotes = false
i = 71
buf+i =  this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) =  
in_single_quotes = true
in_double_quotes = false
i = 72
buf+i = this should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = t
in_single_quotes = true
in_double_quotes = false
i = 73
buf+i = his should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = h
in_single_quotes = true
in_double_quotes = false
i = 74
buf+i = is should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = i
in_single_quotes = true
in_double_quotes = false
i = 75
buf+i = s should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = s
in_single_quotes = true
in_double_quotes = false
i = 76
buf+i =  should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) =  
in_single_quotes = true
in_double_quotes = false
i = 77
buf+i = should not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = s
in_single_quotes = true
in_double_quotes = false
i = 78
buf+i = hould not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = h
in_single_quotes = true
in_double_quotes = false
i = 79
buf+i = ould not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = o
in_single_quotes = true
in_double_quotes = false
i = 80
buf+i = uld not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = u
in_single_quotes = true
in_double_quotes = false
i = 81
buf+i = ld not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = l
in_single_quotes = true
in_double_quotes = false
i = 82
buf+i = d not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = d
in_single_quotes = true
in_double_quotes = false
i = 83
buf+i =  not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) =  
in_single_quotes = true
in_double_quotes = false
i = 84
buf+i = not match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = n
in_single_quotes = true
in_double_quotes = false
i = 85
buf+i = ot match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = o
in_single_quotes = true
in_double_quotes = false
i = 86
buf+i = t match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = t
in_single_quotes = true
in_double_quotes = false
i = 87
buf+i =  match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) =  
in_single_quotes = true
in_double_quotes = false
i = 88
buf+i = match\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = m
in_single_quotes = true
in_double_quotes = false
i = 89
buf+i = atch\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = a
in_single_quotes = true
in_double_quotes = false
i = 90
buf+i = tch\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = t
in_single_quotes = true
in_double_quotes = false
i = 91
buf+i = ch\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = c
in_single_quotes = true
in_double_quotes = false
i = 92
buf+i = h\
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = h
in_single_quotes = true
in_double_quotes = false
i = 93
buf+i = \
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = \
in_single_quotes = true
in_double_quotes = false
i = 94
buf+i = 
/*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = 

in_single_quotes = true
in_double_quotes = false
i = 95
buf+i = /*\
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = /
in_single_quotes = true
in_double_quotes = false
i = 97
buf+i = \
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = \
in_single_quotes = true
in_double_quotes = false
i = 98
buf+i = 
nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = 

in_single_quotes = true
in_double_quotes = false
i = 99
buf+i = nor\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = n
in_single_quotes = true
in_double_quotes = false
i = 100
buf+i = or\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = o
in_single_quotes = true
in_double_quotes = false
i = 101
buf+i = r\
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = r
in_single_quotes = true
in_double_quotes = false
i = 102
buf+i = \
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = \
in_single_quotes = true
in_double_quotes = false
i = 103
buf+i = 
should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = 

in_single_quotes = true
in_double_quotes = false
i = 104
buf+i = should\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = s
in_single_quotes = true
in_double_quotes = false
i = 105
buf+i = hould\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = h
in_single_quotes = true
in_double_quotes = false
i = 106
buf+i = ould\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = o
in_single_quotes = true
in_double_quotes = false
i = 107
buf+i = uld\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = u
in_single_quotes = true
in_double_quotes = false
i = 108
buf+i = ld\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = l
in_single_quotes = true
in_double_quotes = false
i = 109
buf+i = d\
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = d
in_single_quotes = true
in_double_quotes = false
i = 110
buf+i = \
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = \
in_single_quotes = true
in_double_quotes = false
i = 111
buf+i = 
this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = 

in_single_quotes = true
in_double_quotes = false
i = 112
buf+i = this\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = t
in_single_quotes = true
in_double_quotes = false
i = 113
buf+i = his\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = h
in_single_quotes = true
in_double_quotes = false
i = 114
buf+i = is\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = i
in_single_quotes = true
in_double_quotes = false
i = 115
buf+i = s\
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = s
in_single_quotes = true
in_double_quotes = false
i = 116
buf+i = \
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = \
in_single_quotes = true
in_double_quotes = false
i = 117
buf+i = 
'

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = 

in_single_quotes = true
in_double_quotes = false
i = 118
buf+i = '

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = '
matched '
in_single_quotes = false
in_double_quotes = false
i = 119
buf+i = 

// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = 

in_single_quotes = false
in_double_quotes = false
i = 120
buf+i = 
// test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = 

in_single_quotes = false
in_double_quotes = false
i = 121
buf+i = // test

/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = /
matching single line comment
*(buf+i) = /
*(buf+i) = /
*(buf+i) =  
*(buf+i) = t
*(buf+i) = e
*(buf+i) = s
*(buf+i) = t
in_single_quotes = false
in_double_quotes = false
i = 129
buf+i = 
/*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = 

in_single_quotes = false
in_double_quotes = false
i = 130
buf+i = /*
 * multi line
 * // this should not match single line comment
*/ end
h/*hello*/i // HIfujeg
g

*(buf+i) = /
matching multi line comment
*(buf+i) = /
*(buf+i) = *
*(buf+i) = 

*(buf+i) =  
*(buf+i) = *
*(buf+i) =  
*(buf+i) = m
*(buf+i) = u
*(buf+i) = l
*(buf+i) = t
*(buf+i) = i
*(buf+i) =  
*(buf+i) = l
*(buf+i) = i
*(buf+i) = n
*(buf+i) = e
*(buf+i) = 

*(buf+i) =  
*(buf+i) = *
*(buf+i) =  
*(buf+i) = /
*(buf+i) = /
*(buf+i) =  
*(buf+i) = t
*(buf+i) = h
*(buf+i) = i
*(buf+i) = s
*(buf+i) =  
*(buf+i) = s
*(buf+i) = h
*(buf+i) = o
*(buf+i) = u
*(buf+i) = l
*(buf+i) = d
*(buf+i) =  
*(buf+i) = n
*(buf+i) = o
*(buf+i) = t
*(buf+i) =  
*(buf+i) = m
*(buf+i) = a
*(buf+i) = t
*(buf+i) = c
*(buf+i) = h
*(buf+i) =  
*(buf+i) = s
*(buf+i) = i
*(buf+i) = n
*(buf+i) = g
*(buf+i) = l
*(buf+i) = e
*(buf+i) =  
*(buf+i) = l
*(buf+i) = i
*(buf+i) = n
*(buf+i) = e
*(buf+i) =  
*(buf+i) = c
*(buf+i) = o
*(buf+i) = m
*(buf+i) = m
*(buf+i) = e
*(buf+i) = n
*(buf+i) = t
*(buf+i) = 

in_single_quotes = false
in_double_quotes = false
i = 197
buf+i =  end
h/*hello*/i // HIfujeg
g

*(buf+i) =  
in_single_quotes = false
in_double_quotes = false
i = 198
buf+i = end
h/*hello*/i // HIfujeg
g

*(buf+i) = e
in_single_quotes = false
in_double_quotes = false
i = 199
buf+i = nd
h/*hello*/i // HIfujeg
g

*(buf+i) = n
in_single_quotes = false
in_double_quotes = false
i = 200
buf+i = d
h/*hello*/i // HIfujeg
g

*(buf+i) = d
in_single_quotes = false
in_double_quotes = false
i = 201
buf+i = 
h/*hello*/i // HIfujeg
g

*(buf+i) = 

in_single_quotes = false
in_double_quotes = false
i = 202
buf+i = h/*hello*/i // HIfujeg
g

*(buf+i) = h
in_single_quotes = false
in_double_quotes = false
i = 203
buf+i = /*hello*/i // HIfujeg
g

*(buf+i) = /
matching multi line comment
*(buf+i) = /
*(buf+i) = *
*(buf+i) = h
*(buf+i) = e
*(buf+i) = l
*(buf+i) = l
*(buf+i) = o
in_single_quotes = false
in_double_quotes = false
i = 212
buf+i = i // HIfujeg
g

*(buf+i) = i
in_single_quotes = false
in_double_quotes = false
i = 213
buf+i =  // HIfujeg
g

*(buf+i) =  
in_single_quotes = false
in_double_quotes = false
i = 214
buf+i = // HIfujeg
g

*(buf+i) = /
matching single line comment
*(buf+i) = /
*(buf+i) = /
*(buf+i) =  
*(buf+i) = H
*(buf+i) = I
*(buf+i) = f
*(buf+i) = u
*(buf+i) = j
*(buf+i) = e
*(buf+i) = g
in_single_quotes = false
in_double_quotes = false
i = 225
buf+i = g

*(buf+i) = g
in_single_quotes = false
in_double_quotes = false
i = 226
buf+i = 

*(buf+i) = 

in_single_quotes = false
in_double_quotes = false

$ ls -l
total 28
-rwxrwxr-x 1 mobile_c mobile_c 13008 Jan 16 13:39 c
-rw-rw-r-- 1 mobile_c mobile_c  3899 Jan 16 13:37 c.c
-rw-rw-r-- 1 mobile_c mobile_c   134 Jan 16 13:39 OUTFILE.c
-rw-rw-r-- 1 mobile_c mobile_c   227 Jan 16 13:36 quotes

$ cat OUTFILE.c
"''\"'\
// this should not match\
/*\
nor\
should\
this\
"
'\'\'"\'\
// this should not match\
/*\
nor\
should\
this\
'



 end
hi 
g