Create lastexercise.c

AY 2022-2023/Student Works/elenazdravkoska/lastexercise.c

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+/*
+structures (records)
+functions and parameter passing
+by value and by ref (pointers)
+*/
+
+#include<stdio.h>
+
+//define our structure
+struct agent{
+	char cRole;
+	char sName[10];
+	int dID;
+	struct agent *a;
+}; //we will use local variables later on
+
+//function prototypes
+void printAgentRef();
+void printAgentVal();
+
+
+int main(){
+
+//local variables of struct agents
+	struct agent a1, a2, a3, a[100];
+
+//we want the user to enter values for a1
+	printf("\n Enter agent name: ");
+	scanf("%s", a1.sName); //no &
+	printf("\n Enter the role of %s: ", a1.sName);
+	scanf(" %c", &a1.cRole);
+	printf("\n Enter the ID of %s :", a1.sName);
+	scanf("%d", &a1.dID);
+
+	//we want the user to enter values for a2
+	printf("\n Enter agent name: ");
+	scanf("%s", a2.sName); //no &
+	printf("\n Enter the role of %s: ", a2.sName);
+	scanf(" %c", &a2.cRole);
+	printf("\n Enter the ID of %s :", a2.sName);
+	scanf("%d", &a2.dID);
+
+	//we are going to use pointers to connect a1 to a2
+	a1.a = &a2;
+
+//print a1 using the external function
+	printAgentRef(&a1); //we use & to pass the address of the struct
+	//printAgentVal(a1); //just duplicate no need for address
+	printAgentRef(a1.a);
+
+	return 0;
+}//end main
+
+//function definitions
+void printAgentRef( struct agent *a ){
+	printf("\n Agent name: %s ", a->sName);
+	printf("\n Agent role: %c ", a->cRole);
+	printf("\n Agent ID: %d \n", a->dID);
+}//endref
+
+void printAgentVal( struct agent a ){
+	printf("\n Agent name: %s ", a.sName);
+	printf("\n Agent role: %c ", a.cRole);
+	printf("\n Agent ID: %d \n", a.dID);
+
+
+}//endval