Question

如何用c语言在文本文档中输入回车键

Answer 1

fgetc从文件读一个字符 ,回车符是'\n'

例如，从test.txt读一行
#include <stdio.h>
#include <stdlib.h>

int main(void)
{
FILE * fp;
char * name = "test.txt";
char c;

if( (fp=fopen(name,"rb")) == NULL )
{
printf("Can not open %s!\n",name);
exit(1);
}
c = fgetc(fp);
while( (!feof(fp)) && (c != '\n') )
{
printf("%c",c);
c = fgetc(fp);
}
fclose(fp);
return 0;
}