| /* |
| FUNCTION |
| <<strlwr>>---force string to lowercase |
| |
| INDEX |
| strlwr |
| |
| ANSI_SYNOPSIS |
| #include <string.h> |
| char *strlwr(char *<[a]>); |
| |
| TRAD_SYNOPSIS |
| #include <string.h> |
| char *strlwr(<[a]>) |
| char *<[a]>; |
| |
| DESCRIPTION |
| <<strlwr>> converts each character in the string at <[a]> to |
| lowercase. |
| |
| RETURNS |
| <<strlwr>> returns its argument, <[a]>. |
| |
| PORTABILITY |
| <<strlwr>> is not widely portable. |
| |
| <<strlwr>> requires no supporting OS subroutines. |
| |
| QUICKREF |
| strlwr |
| */ |
| |
| #include <string.h> |
| #include <ctype.h> |
| |
| char * |
| _DEFUN (strlwr, (s), |
| char *s) |
| { |
| unsigned char *ucs = (unsigned char *) s; |
| for ( ; *ucs != '\0'; ucs++) |
| { |
| *ucs = tolower(*ucs); |
| } |
| return s; |
| } |
