What does Perror mean in C?

Related questions

1. What is the use of getch ()?
2. What is conio h in C language?
3. What does conio h do in C++?
4. Why EOF is used in C?
5. Why do we use getch in C++ program?
6. What is getch and putch in C?
7. What is FEOF in C?
8. What is the maximum number of dimensions an array in C may have?
9. What does GETC do in C?
10. What is void main and int main?

Tags

1. #print
2. #variable
3. #errno
4. #stderr
5. #state
6. #based
7. #prints
8. #function
9. #global
10. #perror
11. #posix
12. #message
13. #error
14. #corresponding
15. #defined
16. #implementation
17. #stored