readline.c

C语言编写的关于文件的基本 操作的程序源代码

#include "readline.h"

int countline(char *filename)
{
 FILE *fp;
 int count = 1;
 int ch = -1;
 
 fp = fopen(filename,"r");
 if(fp == NULL){
   perror("Open file");
   exit(1);
 }else{
    ch = fgetc(fp);
  while(ch != EOF){
      if(ch == '\n'){
      count += 1;
  }
    ch = fgetc(fp);
  }
   fclose(fp);
 } 
 return count;
}

int readline(char *filename)
{
 FILE *fp;
 struct lineinfo line;
 char buf[80];
 int lno = 0;
 int lcnt = 0;
 int i; 

 lcnt = countline(filename);
 
 fp = fopen(filename,"r");
 if(fp == NULL){
  perror("Open file");
  exit(1);
 }else{
  while(fgets(buf,sizeof(buf),fp) != NULL){
  }
 }
}