5-2.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>

//僼傽僀儖夵峴悢傪悢偊傞
main () {
	FILE *fp;			//僼傽僀儖億僀儞僞
	char filename[256];	//僼傽僀儖柤
	char c;				//撉傒崬傫偩暥帤
	int total = 0; //夵峴暥帤傪僇僂儞僩偡傞曄悢
	
	//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((c = fgetc(fp)) != EOF){
		if(c == '\n') {	total++; }
	}

	fclose(fp);
	printf("峴悢丂%d\n", total+1);

	return 0;
}