util.h

来自「操作系统SunOS 4.1.3版本的源码」· C头文件 代码 · 共 29 行

/*  @(#)util.h 1.1 92/07/30 (C) 1985 Sun Microsystems, Inc. */


#define EOS '\0'

#ifndef NULL 
#	define NULL ((char *) 0)
#endif


#define MALLOC(object_type) ((object_type *) malloc(sizeof(object_type)))

#define FREE(ptr)	free((char *) ptr) 

#define STRCPY(dst,src) \
	(dst = malloc((unsigned)strlen(src)+1), (void) strcpy(dst,src))

#define STRNCPY(dst,src,num) \
	(dst = malloc((unsigned)(num) + 1),\
	(void)strncpy(dst,src,num),(dst)[num] = EOS) 

extern char *malloc();
extern char *alloca();

char *getline();
void fatal();