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/************************************************************************
*
* Purpose: 1. Define a pointer to a function with parameters.
* 2. Point at the function.
* 3. Execute the function passing char and string parameters to it.
*
* Author: M.J. Leslie
*
* Date: 04-Jun-95
*
************************************************************************/
char * (*fpointer)(char *, char); /* Define a pointer to a function */
char * prefix(char *, char); /* Define a few functions. */
char * suffix(char *, char);
main()
{
fpointer = prefix; /* Put the address of 'add' in 'fpointer' */
printf("%s ", fpointer("artin", 'M'));
fpointer = suffix; /* Repeat for 'suffix' */
printf("%s \n", fpointer("lesli", 'e'));
}
/************************************************************************/
char * prefix(char *str, char c)
{
char result[100];
result[0] = c;
strcpy(result+1, str);
return(result);
}
/************************************************************************/
char * suffix(char *str, char c)
{
char result[100];
int eol;
strcpy(result, str);
eol=strlen(result);
result[eol] = c;
result[eol+1] = '\0';
return(result);
}
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