help.c

来自「Unix/Linux 物流系统Demo」· C语言 代码 · 共 27 行

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
extern int help(char* filename,char* dept)//ruku chuku diaodan chaxun
{
	FILE* fp;
	char deptlocal[30];
	char str[300]=" ";
	strcpy(deptlocal,dept);
	strcat(deptlocal,"\n");
	if((fp=fopen(filename,"r"))!=NULL)
	{
		rewind(fp);
		while(!feof(fp)&&(strcmp(fgets(str,300,fp),deptlocal)!=0));
		while(!feof(fp)&&(strcmp(fgets(str,300,fp),deptlocal)!=0))
			printf("%s",str);
		
	}
	else
	{
		printf("can't open help file\n");
		return 0;
	}
	fclose(fp);
	return 0;
}