Hello, World in C
#include <stdio.h>
int main()
{
printf("hello, world\n");
}
// Compile, then run `./a.out 1>stdout.txt 2>stderr.txt`
// Then run `echo $?`
// stdout.txt should contain "hello, world"
// stderr.txt should be empty
// Your `echo $?` command should return 0
#include <stdio.h>
int main()
{
printf("hello, world\n");
return 1;
}
// Compile, then run `./a.out 1>stdout.txt 2>stderr.txt`
// Then run `echo $?`
// stdout.txt should contain "hello, world"
// stderr.txt should be empty
// Your `echo $?` command should return 1
#include <stdio.h>
int main()
{
fprintf(stdout, "hello, world\n");
fprintf(stderr, "this is an error\n");
return 1;
}
// Compile, then run `./a.out 1>stdout.txt 2>stderr.txt`
// Then run `echo $?`
// stdout.txt should contain "hello, world"
// stderr.txt should contain "this is an error"
// Your `echo $?` command should return 1