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14 lines
350 B
C

#include "fmt.h"
size_t fmt_str(char *out,const char *in) {
register char* s=out;
register const char* t=in;
for (;;) {
if (!*t) break; if (s) { *s=*t; ++s; } ++t;
if (!*t) break; if (s) { *s=*t; ++s; } ++t;
if (!*t) break; if (s) { *s=*t; ++s; } ++t;
if (!*t) break; if (s) { *s=*t; ++s; } ++t;
}
return (size_t)(t-in);
}