1 #include "mystring.h"

     2 #include <string.h>

     3 

     4 int mystring::find_first(char ch, size_t offset) const

     5 {

     6   if(offset >= rep->length)

     7     return -1;

     8   char* ptr = strchr(rep->buf+offset, ch);

     9   return ptr ? ptr-rep->buf : -1;

    10 }

    11