It will help in examining executable files to know about some standard C library functions.

A quick reference is on the Documents page of the class web site.

Four input functions in the C library:

1. int scanf( const char *format, ... );
2. int sscanf( const char *buffer, const char *format, ... );
3. char *gets( char *str );
4. char *fgets( char *str, int num, FILE *stream );