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/*++
/* NAME
/* lowercase 3
/* SUMMARY
/* map uppercase characters to lowercase
/* SYNOPSIS
/* #include <stringops.h>
/*
/* char *lowercase(buf)
/* char *buf;
/* DESCRIPTION
/* lowercase() replaces uppercase characters in its null-terminated
/* input by their lowercase equivalent.
/* LICENSE
/* .ad
/* .fi
/* The Secure Mailer license must be distributed with this software.
/* AUTHOR(S)
/* Wietse Venema
/* IBM T.J. Watson Research
/* P.O. Box 704
/* Yorktown Heights, NY 10598, USA
/*--*/
/* System library. */
#include "sys_defs.h"
#include <ctype.h>
/* Utility library. */
#include "stringops.h"
char *lowercase(char *string)
{
char *cp;
int ch;
for (cp = string; (ch = *cp) != 0; cp++)
if (ISUPPER(ch))
*cp = TOLOWER(ch);
return (string);
}
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