tolower.c

来自「mips架构的bootloader,99左右的版本 但源代码现在没人更新了」· C语言 代码 · 共 20 行

/*************************************************************
 * File: lib/tolower.c
 * Purpose: Part of C runtime library
 * Author: Phil Bunce ([e-mail])
 * Revision History:
 *	970304	Start of revision history
 */

#include "string.h"

/** tolower(c) translate c to lower */
int tolower(c)
int c;
{

if (isupper(c)) return(c + ('a'-'A'));
return(c);
}