From 7e0f021a9aec35fd8e6725e87e3313b101d26f5e Mon Sep 17 00:00:00 2001 From: Tobias Klauser Date: Sun, 27 Jan 2008 11:37:44 +0100 Subject: Initial import (2.0.2-6) --- reference/C/EXAMPLES/funcpt2.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 reference/C/EXAMPLES/funcpt2.c (limited to 'reference/C/EXAMPLES/funcpt2.c') diff --git a/reference/C/EXAMPLES/funcpt2.c b/reference/C/EXAMPLES/funcpt2.c new file mode 100644 index 0000000..6b04130 --- /dev/null +++ b/reference/C/EXAMPLES/funcpt2.c @@ -0,0 +1,40 @@ + +/************************************************************************ + * + * Purpose: 1. Define a pointer to a function with parameters. + * 2. Point at the function. + * 3. Execute the function passing parameters to it. + * + * Author: M.J. Leslie + * + * Date: 04-Jun-95 + * + ************************************************************************/ + +int (*fpointer)(int, int); /* Define a pointer to a function */ + +int add(int, int); /* Define a few functions. */ +int sub(int, int); + +main() +{ + fpointer = add; /* Put the address of 'add' in 'fpointer' */ + printf("%d \n", fpointer(4, 5)); /* Execute 'add' and print results */ + + fpointer = sub; /* Repeat for 'sub' */ + printf("%d \n", fpointer(6, 2)); +} + +/************************************************************************/ + +int add(int a, int b) +{ + return(a + b); +} + +/************************************************************************/ + +int sub(int a, int b) +{ + return(a - b); +} -- cgit v1.2.3-54-g00ecf