bash can not excute command

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up:2016-02-02 12:31:42 edit:2016-02-02 12:31:42 view:1232

#include <stdio.h>
#include <stdlib.h>
char a[81];
int i=0;
int main(int n,char ** argn){
        while(1){
                char c=getchar();
                if(isspace(c)){
                        if(a[0]=='e' && a[1]=='x' && a[2]=='i' && a[3]=='t'){
                                return 0;
                        }
                        else {
                                a[i]=0;
                                printf("%s\n",a);
                                i=0;
                        }
                }
                else {
                        if(i>=80) continue;
                        a[i++]=c;
                }
        }
}

TAGS: limit bash

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