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Add more notes to function prototype in C.

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Levi Bostian
2013-08-31 18:54:07 -05:00
parent 394ca958b3
commit d632203255
1 changed files with 6 additions and 3 deletions
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@@ -425,13 +425,16 @@ int add_two_ints(int x1, int x2)
// Must declare a 'funtion prototype' before main() when creating functions // Must declare a 'funtion prototype' before main() when creating functions
// in file. // in file.
int getInt(char c); // function prototype void getInt(char c); // function prototype
int main() { int main() {
return 0; return 0;
} }
int getInt(char w) { //parameter name does not need to match function prototype void getInt(char w) { //parameter name does not need to match function prototype
return 1; ;
} }
//if function takes no parameters, do: int getInt(void); for function prototype
// and for the function declaration: int getInt(void) {}
// this is to keep compatibility with older versions of C.
/* /*
Functions are call by value. So when a function is called, the arguments passed Functions are call by value. So when a function is called, the arguments passed