Linked List 2

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define sg struct gammal
struct gammal {
-char name[20];
-int payment;
-struct gammal *next;
};
void add (sg *g){
-char name[20];
-int payment;
-printf("Enter Name: ");
-scanf("%s",name);
-printf("Enter Payment: ");
-scanf("%d",&payment);
-if(g->payment == -1){
--strcpy(g->name,name);
--g->payment = payment;
--g->next = NULL;
-}
-else {
--while(g->next != NULL)
---g = g->next;
--g->next = (sg*)malloc(sizeof(sg));
--g = g->next;
--strcpy( g->name,name);
--g->payment = payment;
--g->next = NULL;
-}
}
void show (sg *g){
-while ( g != NULL){
--printf("---------");
--printf("%s ",g->name);
--printf("%d ",g->payment);
--g = g->next;
-}
}
int main()
{
-sg *g =(sg*)malloc(sizeof(sg));
-g->payment = -1;
-add(g);
-add(g);
-show(g);
}