Programming

I have a code which has four different process, each printing different message. I have provided it with user input (implemented using thread), depending on which the corresponding message from that process has to be printed.The code is shown below.when I run the pgm, it takes input such as 1,2,3........ through command prompt, and I get "bash command not found" Kindly help me to get output



#include<stdio.h>

#define _REENTRANT

#include<pthread.h>

#include<stdlib.h>

int i;

void DieWithError(char *errorMessage);

int key;

int z = 0;

void *key_hit1 (void *arg)

{

while(1)

{

key = (int)getchar();

switch(key)

{

case 49

printf("channel 1");

z = 1;

break;

case 50:

printf("channel 2");

z = 2;

break;

case 51:

printf("channel 3");

z = 3;

break;

}

}

}

int main()

{

pthread_t key_hit;

int process,process1,process2,process3,process4;

pthread_create(&key_hit,NULL,key_hit1,NULL);

/////////////

process = fork();

if(process == 0)

{

if( z == 1)

{

for(i=0;i<10;i++)

printf(" ans");

}

}

else if (process != 0)

process1 = fork();

if(process1 == 0)

{

if( z == 2)

{

for(i=0;i<10;i++)

printf(" qwe");

}

}

else if (process1 != 0)

process2 = fork();

if(process2 == 0)

{

if( z == 3)

{

for(i=0;i<10;i++)

printf(" dhg");

}

}

}

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Regards