5-3.c

日文版畅销书籍10天学会C语言的源程序。适合入门者学习使用。希望对大家有帮助。

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

main () {
	FILE *fp;			//僼傽僀儖億僀儞僞
	char filename[256];	//僼傽僀儖柤
	char buff[256]; 	//撉傒崬傫偩暥帤楍傪奿擺偡傞
	int length; 		//堦峴暘撉傒崬傫偩帪偺挿偝
	int str_max = 255;	//撉傒崬傒嵟戝暥帤悢
	int total = 0; 		//暥帤悢僇僂儞僩

	//僼傽僀儖柤偺寛掕	
	printf("僼傽僀儖柤傪擖椡偟偰壓偝偄 > ");
	gets(filename);

	//僼傽僀儖僆乕僾儞
	if((fp = fopen(filename, "r")) == NULL) {
		printf("僼傽僀儖僆乕僾儞僄儔乕\n");
		exit(1);
	}

	//僼傽僀儖撉傒崬傒
	while(fgets(buff, str_max, fp) != NULL){
		length = strlen(buff);
		total = total + length;
	}

	fclose(fp);
	printf("暥帤悢丂%d\n", total);

	return 0;
}