src/libstddjb/case_lowerb.c


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/* ISC license. */

#include <ctype.h>

#include <skalibs/bytestr.h>

void case_lowerb (char *s, size_t len)
{
  while (len--)
  {
    int c = tolower(*s) ;
    *s++ = (unsigned char)c ;
  }
}