Return types of main function in C as character return type
3334
What should main() return in C and C++?
48161
Since I can't return a local variable, what's the best way to return a string from a C or C++ function?
10824
Output single character in C
52534
Difference between int and char in getchar/fgetc and putchar/fputc?
52782
C: function skips user input in code
59158
What are the valid signatures for C's main() function?
142878
Returning local data from functions in C and C++ via pointer
75497
C's strtok() and read only string literals
19728
Declaring type of pointers?
31826
Does changing the return type of a function for a child type breaks binary compatibility?
135769
How to use mainfont type in math environment?
48245
How do function pointers in C work?
37961
What is a good general approach for deciding return values in C?
139592
What exactly is a type cast in C/C++?
46934
How do you read C declarations?
42194
Why C standards allow you not to return a value from a function?
87669
C input - getchar()