Valkata

#include<stdio.h>
#include<string.h>
#define SIZE 10000

int dalipasva (char *t, const char *duma, int n)
{
    for(int i=0; i<n; i++)
    {
        if(t[i]!=duma[i])return 0;
    }
    return 1;
}

char* Chetene (FILE *f,char *rez)
{

    char u;
    int i;
    for(i=0; (u=fgetc(f))!=EOF; i++)
    {
        rez[i]=u;
    }
    rez[i+1]='\0';
    return rez;
}

int dalineeotime(char x)
{
    if(x=='_')return 0;
    if(x>='a'&&x<='z')return 0;
    if(x>='A'&&x<='Z')return 0;
    if(x>='0'&&x<='9')return 0;
    return 1;
}

void ifelse(char *text,int dg,int gg,int &brif, int &brel)
{
    for(int i=dg; i<=gg; i++)
    {
        if(dalipasva(&text[i],"if",2)&&dalineeotime(text[i-1])&&dalineeotime(text[i+2]))brif++;
        else if(dalipasva(&text[i],"else",4)&&dalineeotime(text[i-1])&&dalineeotime(text[i+4]))brel++;
    }
}

void razpredelenie(char* text,int &brkom, int &brif, int &brel)
{
    int dg=0,i;
    for(i=0; text[i]!='\0'; i++)
    {
            if(dalipasva(&text[i],"//",2))
            {

                ifelse(text,dg,i-1,brif,brel);
                dg=i+2;
            }
            else
            {
                if(dalipasva(&text[i],"/*",2))
                {
                    ifelse(text,dg,i-1,brif,brel);
                    dg=i+2;

                }
            }

    }
    ifelse(text,dg,i-1,brif,brel); //obira posledniq nezavurshen interval
}

int main () {
    int mode;
    do {
        printf("1 - Reading program from file and Write final result on the input file name\n");
        printf("2 - Reading program from file and Printing result from Console\n");
        printf("3 - Reading program from Console and Writing final result from input file name \n");
        printf("4 - Readind program from Console and Printig result from Console\n");
        printf("5 - Exit\n");
        scanf("%d",&mode);
        FILE *f1,*f2;
        char masiv[SIZE],rez[SIZE];
        int brif=0,brel=0,brk=0;
        switch(mode){
            case 1:
                printf("Enter file name for Read: ");
                scanf("%s",masiv);
                f1=fopen(masiv,"r");

                printf("Enter file name for Write: ");
                scanf("%s",masiv);
                f2=fopen(masiv,"w");

                razpredelenie(Chetene(f1,rez),brk,brif,brel);
                fprintf(f2,"The if/else operators are ");
                sprintf(masiv,"%d",brel);
                fprintf(f2,masiv);
                fputc('\n',f2);
                fprintf(f2,"The solo if operators are ");
                sprintf(masiv,"%d",brif-brel);
                fprintf(f2,masiv);
                fputc('\n',f2);
                fclose(f1);
                fclose(f2);
                return 0;
            case 2:
                printf("Enter file name for Read: ");
                scanf("%s",masiv);
                f1=fopen(masiv,"r");

                f2=stdout;

                razpredelenie(Chetene(f1,rez),brk,brif,brel);
                fprintf(f2,"The if/else operators are ");
                sprintf(masiv,"%d",brel);
                fprintf(f2,masiv);
                fputc('\n',f2);
                fprintf(f2,"The solo if operators are ");
                sprintf(masiv,"%d",brif-brel);
                fprintf(f2,masiv);
                fputc('\n',f2);
                fclose(f1);
                fclose(f2);
                return 0;
            case 3:

                f1=stdin;

                printf("Enter file name for Write: ");
                scanf("%s",masiv);
                f2=fopen(masiv,"w");
                printf("You now is Read Mod forom Console \n Insert Contr + Z to Stop Reading \n");

                razpredelenie(Chetene(f1,rez),brk,brif,brel);
                fprintf(f2,"The if/else operators are ");
                sprintf(masiv,"%d",brel);
                fprintf(f2,masiv);
                fputc('\n',f2);
                fprintf(f2,"The solo if operators are ");
                sprintf(masiv,"%d",brif-brel);
                fprintf(f2,masiv);
                fputc('\n',f2);
                fclose(f1);
                fclose(f2);
                return 0;
            case 4:

                f1=stdin;

                f2=stdout;

                printf("You now is Read Mod forom Console \n Insert Contr + Z to Stop Reading \n");

                razpredelenie(Chetene(f1,rez),brk,brif,brel);
                fprintf(f2,"The if/else operators are ");
                sprintf(masiv,"%d",brel);
                fprintf(f2,masiv);
                fputc('\n',f2);
                fprintf(f2,"The solo if operators are ");
                sprintf(masiv,"%d",brif-brel);
                fprintf(f2,masiv);
                fputc('\n',f2);
                fclose(f1);
                fclose(f2);
                return 0;
                break;
            case 5:
                break;
            default:
                printf("Wrong choise\n");
                break;
        }

    } while (mode != 5);
    return 0;
}