eris/str_copy.c

14 lines
296 B
C

#include "str.h"
unsigned int str_copy(char *out,const char *in) {
register char* s=out;
register const char* t=in;
for (;;) {
if (!(*s=*t)) break; ++s; ++t;
if (!(*s=*t)) break; ++s; ++t;
if (!(*s=*t)) break; ++s; ++t;
if (!(*s=*t)) break; ++s; ++t;
}
return s-out;
}