C Exercises: Abort the current process
C Variable Type : Exercise-17 with Solution
Write a C program to abort the current process.
Sample Solution:
C Code:
#include<stdio.h>
#include<stdlib.h>
int main ()
{
FILE * FilePtr;
FilePtr= fopen ("myfile.txt","r");
if (FilePtr == NULL)
{
fputs ("\n File does not exist or error, in opening the file.\n",stderr);
abort();
}
fclose (FilePtr);
return 0;
}
Flowchart:

C Programming Code Editor:
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C Programming: Tips of the Day
How I can print to stderr in C?
The syntax is almost the same as printf. With printf you give the string format and its contents i.e.:
printf("my %s has %d chars\n", "string format", 30);
With fprintf it is the same, except now you are also specifying the place to print to:
File *myFile; ... fprintf( myFile, "my %s has %d chars\n", "string format", 30);
Or in your case:
fprintf( stderr, "my %s has %d chars\n", "string format", 30);
Ref : https://bit.ly/3v5U8Zq
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