src/libstddjb/byte_count.c


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/* ISC license. */

#include <sys/types.h>
#include <skalibs/bytestr.h>

size_t byte_count (char const *s, size_t len, char b)
{
  size_t n = 0 ;
  while (len--) if (*s++ == b) n++ ;
  return n ;
}