view2.c

来自「C.Game.Programming.For.Dummies.原码」· C语言 代码 · 共 43 行

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

void main(int argc,char *argv[])
{
    FILE *viewfile;
    char buffer[81];    //storage
    int x = 0;
    char c;

    if(argc<2)
    {
        puts("Missing filename!");
        puts("Here is the format:");
        puts("VIEW filename");
        exit(1);
    }

    viewfile = fopen(argv[1],"r");
    if(!viewfile)
    {
        printf("Error opening \"%s\"\n",argv[1]);
        exit(1);
    }

    while(fgets(buffer,80,viewfile))
    {
        printf("%s",buffer);
        x++;
        if(!(x%24))
        {
            printf("Press Enter:");
            while(!kbhit())
                ;
            c = getch();
            if(c=='\x1b') exit(0);
            putchar('\n');
        }
    }
}