scc

simple C compiler
git clone git://git.2f30.org/scc
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strcat.c (198B)

      1 #include <string.h>
      2 #undef strcat
      3 
      4 char *
      5 strcat(char * restrict dst, const char * restrict src)
      6 {
      7 	char *ret = dst;
      8 
      9 	while (*dst)
     10 		++dst;
     11 	while (*dst++ = *src++)
     12 		/* nothing */;
     13 	return ret;
     14 }