Morse Code

morse_code.c

#include<stdio.h>
#include<stdlib.h>
#include<unistd.h>
#define MAX 49

char alpha[MAX] ="ABCDEFGHIJKLMNOPQRSTUVWXYZ 0123456789.,:?'-/()\"@=";
char *morse[MAX]={ ".-","-...","-.-.","-..",".","..-.","--.",
                "....","..",".---","-.-",".-..","--","-.",
                "---",".--.","--.-",".-.","...","-","..-",
                "...-",".--","-..-","-.--","--..",
                "/",
                "-----",".----","..---","...--","....-",
                ".....","-....","--...","---..","----.",
                ".-.-.-","--..--","---...","..--..",
                ".----.","-....-","-..-.", "-.--.-",
                "-.--.-",".-..-.",".--.-.","-...-"
                };
void Help(){
    puts("\n\t\t  .-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-.");
    puts("\t\t  ||                                       ||");
    puts("\t\t  ||       Help  -  Morse Code Table       ||");
    puts("\t\t  ||  Morse Code Value for Latin Alphabet  ||");
    puts("\t\t  ||  Decimal Numbers & Punctuation Signs  ||");
    puts("\t\t  ||                                       ||");
    puts("\t\t  *-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-*\n");
    int i=0;
    while(alpha[i++] != '\0'){
        printf("  %02d. '%c' = %-6s  ",i,alpha[i-1],morse[i-1]);
        if ( (i)%4 == 0 ) printf("\n");
    }
    printf("  %02d. [ ] = [ Invalid Character / Code ]",i);
}
int Intro(){
    int choice;
    char c;
    printf("\n");
    puts("\t\t .-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-.");
    puts("\t\t ||                                         ||");
    puts("\t\t ||               Morse  Code               ||");
    puts("\t\t ||                                         ||");
    puts("\t\t ||~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~||");
    puts("\t\t ||                                         ||");
    puts("\t\t ||   1. Encode [ Text - Morse Code     ]   ||");
    puts("\t\t ||   2. Decode [ Morse Code - Text     ]   ||");
    puts("\t\t ||   3. Help   [ View Morse Code Table ]   ||");
    puts("\t\t ||   0. Exit   [ Exit Program          ]   ||");
    puts("\t\t ||                                         ||");
    puts("\t\t *-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-*");
    printf("\n\t\t Enter Your Choice > ");
    scanf("%d",&choice);

    return choice;
}
void Morse(char c){
    int i,flag=100;
    for ( i=0; i<MAX; i++){
        if ( c == alpha[i]){
            flag = i;
            break;
        }
    }
    if ( c == 10)
        printf("\n");
    else
    flag == 100 ? printf("[ ] ") : printf("%s ",morse[flag]);

}
void Encode(){
    char ch,strin[2048];
    int i=0;
    fflush(stdin);
    scanf(" %[^\n]",strin);
    printf("\n\n   Your Text Input   : %s\n",strin);
    printf("\n   Morse Code Output : ");
    strupr(strin);
    i=0;
    while(strin[i] != '\0'){
        Morse(strin[i]);
        i++;
    }
    printf("\n");
}
void Text(char *code){
    int i,flag=100;
    for ( i=0; i<MAX; i++){
        if ( strcmp(code,morse[i]) == 0 ){
            flag = i;
            break;
        }
    }
    if ( *code == 10)
        printf("\n");
    else
    flag == 100 ? printf("[ ] ") : printf("%c",alpha[flag]);
}
void Decode(){
    char ch,strin[4096], strin2D[800][7];
    int i=0,j=0,k=0;
    fflush(stdin);
    scanf(" %[^\n]",strin);

    for(i=0; strin[i]!='\0'; i++){
        if(strin[i]==' '){
            strin2D[j][k] = '\0';
            k = 0;
            j++;
        }
        else{
            strin2D[j][k] = strin[i];
            k++;
        }
    }
    strin2D[j][k] = '\0';

    printf("\n\n   Your Morse Code Input : %s\n",strin);
    printf("\n   Plain Text Output     : ");
    //strupr(strin);
    for(i=0; i <= j; i++){
        Text(strin2D[i]);
    }
    printf("\n");
}

int main(){
    system("title Morse Code");
    system("mode 80,30");
    do{
        system("cls");
        switch(Intro()){

            case 1:
                system("cls");
                puts("\n          Enter Text to Get Morse Code Output.  [ Dot Dash Format ]\n");
                //puts(" ***  Important : type \"#\" at the end of your text input.  ***");
                puts("        ***         Do not enter more than 2000 characters         ***");
                printf("\n\n   Input : ");
                Encode();
                printf("\n\n\n   Press any key to continue...");
                break;
            case 2:
                system("cls");
                puts("\n       Enter Morse Code to Get Plain Text Output.  [ Dot Dash Format ]\n");
                //puts(" *** Important : type \"#\" at the end of your morse code input. ***");
                puts("   ***   Do not enter more than 4000 characters or more than 800 words    ***");
                printf("\n\n   Input : ");
                Decode();
                printf("\n\n\n   Press any key to continue...");
                break;
            case 3:
                system("cls");
                Help();
                printf("\n\n\n  Press any key to continue...");
                break;
            case 0:
                printf("\n                 Thank You..!\n");
                usleep(999999);
                usleep(99999);
                return 1;
            default:
                puts("\n\t\t Invalid Choice. Please Try Again.");
                printf("\n\t\t Press any key to continue...");
        }

        fflush(stdin);
        getch();
    }while(1);

    return 0;
}