cliargs.c

来自「APUE(第二版)的随书源代码,与第一版的代码相比增加了一些章节的代码(详见第二」· C语言 代码 · 共 19 行

#include	"opend.h"

/* This function is called by buf_args(), which is called by
 * request().  buf_args() has broken up the client's buffer
 * into an argv[] style array, which we now process. */

int
cli_args(int argc, char **argv)
{
	if (argc != 3 || strcmp(argv[0], CL_OPEN) != 0) {
		strcpy(errmsg, "usage: <pathname> <oflag>\n");
		return(-1);
	}

	pathname = argv[1];		/* save ptr to pathname to open */
	oflag = atoi(argv[2]);
	return(0);
}