Computer Programming C Laboratory: Unions C Programs
Write a program to transfer a structure to a function by passing the structure address (a pointer) to the function
C Programs using Structures & Unions
Write a program to transfer a structure to a function by passing the structure address (a pointer) to the function.
In the structure variable std is a static structure of type record. Whose members are assigned an initial set of values.
The initial values are displayed when the program begins to execute. Then the structure address is passed to the function fun(), where different values are assigned to the member of the structure. With in fun() note that the formal argument declaration that defines 'pt' as a pointer to a structure of type record.
/* Program to transfer a structure to a function by passing the structure address (a pointer) to the function */
#include <stdio.h>
/* Global declarations */
typedef struct
{
char* name;
int no;
int age;
} record;
main()
{
* Local definitions */
void fun(record *pt);
static record std = {"LAK", 15, 25};
/* Statements */
clrscr();
printf("%s\t%d\t%d", std. name, std.no, std. age);
fun(&std);
printf("\n %s\t%\d\t%d", std. name, std. no, std. age);
getch();
} /* main */
void fun(record *pt)
{
pt‒>name = "MUNI";
pt‒>no = 16;
pt‒> age = 26;
} /* fun() */
OUTPUT
LAK 15 25
MUNI 16 26
EXPLANATION: In the above program, the structure record is defined with integer and character type variable. The main function gives initialised values {"LAK",15, 25} as output. Then the structure address is passed to the function fun(), where values are assigned MUNI,16,26 respectively as name, no and age. These values are returned to the main function and output has been printed.
Computer Programming C Laboratory: Unions C Programs : Tag: C Programming : - Write a program to transfer a structure to a function by passing the structure address (a pointer) to the function
Computer Programming C Laboratory: Unions C Programs
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Computer Programming C Laboratory
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