/************************************************************************ * * 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 =index.html 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); }
file: /Techref/language/ccpp/cref/EXAMPLES/func_point3.c, 1KB, , updated: 1996/10/9 02:31, local time: 2024/8/14 19:40,
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