strlwr, _fstrlwr

Converts uppercase letters in a string to lowercase.

Defined in header <string.h>

Syntax

#include <string.h>
Near  version: char *strlwr(char *s);
Far version: char far * far _fstrlwr(char char  far *s)

Portability

Remarks

strlwr converts uppercase letters {A to Z) in string s to lowercase (a to z). No other characters are changed.

Return value

strlwr returns a pointer to the string s.

See also

• strupr

Example

#include <stdio.h>
#include <string.h>
int main(void)
{
   char *string = "Borland International";
   printf("string prior to strlwr:  %s\n", string);
   strlwr(string);
   printf("string after strlwr:     %s\n", string);
   return 0;
}

Differences from modern implementations

Nothing recorded yet.

Modern references

• Microsoft C runtime (search)

These are search links, not yet checked by hand.

Extraction notes

• heading `strlwr, fstrlwr` read as `strlwr, _fstrlwr`

Stable link: /3.1/string.h/strlwr/ · short form /3.1/strlwr/