Arrange data in alphabetical order in C

Arrange student data in alphabetical order in C

Problem Statement: Arrange student data in alphabetical order in C

Student struct is used as a user-defined data type for student information.
stud[] array belongs to the student struct which will hold the student information.
sort() function will sort the stud[] array based on the student name in alphabetic order.

/*C program to Arrange student data in alphabetical order*/

#include<stdio.h>
#include<string.h>
#include<stdlib.h>
struct student{
    char name[20];
    int roll;
    float marks;
};

struct student stud[50];
int no;


void accept(){
    int i,j,k;
    printf("Total number of students:\t");
    scanf("%d",&no); 
    for(i=0;i<no;++i){
        printf("stud %d=\n",i+1);
        printf("Name\tRoll\tMarks\n");
        scanf("%s\t%d\t%f",
        stud[i].name,&stud[i].roll,&stud[i].marks);
    }
}


void display(){
    int i;
    printf("Name\tRoll\tMarks\n");
    for(i=0;i<no;++i){
         printf("%s \t%d \t%.2f\n",
         stud[i].name,stud[i].roll,stud[i].marks);
     }   
}


void swap(int s1, int s2){
    char t_name[20];
    strcpy(t_name,stud[s1].name);
    strcpy(stud[s1].name,stud[s2].name);
    strcpy(stud[s2].name,t_name);

    int t_roll;
    t_roll=stud[s1].roll;
    stud[s1].roll=stud[s2].roll;
    stud[s2].roll=t_roll;

    float t_marks;
    t_marks=stud[s1].marks;
    stud[s1].marks=stud[s2].marks;
    stud[s2].marks=t_marks;
}


void sort(){
    int i,j,k;
    for(j=1;j<=no;++j)
        for(i=j-1;i>=0;--i){
        if(strcmp(stud[i-1].name,stud[i].name)>0){
            swap(i-1,i);
        }

    }
}


int main(){
    accept();
    display();
    sort();
    printf("Sorted Student data:\n");
    display();
}

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