有信号处理函数哦。

#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <conio2.h>

FILE *f; /* global FILE defined for Ctrl+C Pressed */

static void sig_int(int num)
{
fprintf(stderr, "get signal from -- Ctrl+C Pressed");
textcolor(15);
_pclose(f);
}

int main(int argc, char **argv)
{
int i=0, j=0;
char buf[1024*2] ={0};

signal(SIGINT, sig_int); /* register signal */

if (argc==2){
for (i=0; i<99; i++){
textcolor(i);
printf("%d -> color test\n", i);
}
textcolor(15);
return 1;
}
f = _popen("adb logcat -v time", "r");
if (f == NULL){
fprintf(stderr, "popen() fail.");
return 1;
}

while(fgets(buf, sizeof(buf), f)>0)
{
if (strstr(buf, "D/"))
textcolor(9);
else if (strstr(buf, "W/"))
textcolor(14);
else if (strstr(buf, "I/"))
textcolor(11);
else if (strstr(buf, "E/"))
textcolor(12);
else if (strstr(buf, "V/"))
textcolor(13);
else
textcolor(8);
fprintf(stdout, "%s", buf);
}

_pclose(f);
return 0;
}