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Snake game.c

  #include<STDLIB.H> #include<stdio.h> #include<conio.h> #include<time.h> int height =23 ,width =78,x,y,fruitx,fruity,score,gameend,flag; int tailx[100],taily[100]; int piece=0; //x = height and y= width void makelogic(){ int i ; int prevx,prevy,prev2x,prev2y; prevx=tailx[0]; prevy=taily[0]; tailx[0]=x; taily[0]=y; for(i =1;i <=piece;i++){ prev2x=tailx[i]; prev2y=taily[i]; tailx[i]=prevx; taily[i]=prevy; prevx=prev2x; prevy=prev2y; } switch(flag){ case 1: x--; break; case 2: x++; break; case 3: y--; break; case 4: y++; break; } if(x==0||y==0||x==height||y==width){ gameend = 1; } if(x==fruitx && y == fruity){ label3: fruitx = rand ()%23 ; if (fruitx==0){ goto label3; } label4: fruity = rand ()%78 ; if (fruity==0) goto label4; score++; piece++; } } void input(){ ...
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Using of string with sample example

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#include<stdio.h> #include<string.h> int main (){    char str[6] ={'h','e','l','l','o','\0'};     printf("%s",str);         //using strlen     // strlen = string length     printf("\nlength of string is %lu", strlen(str));     //using strcpy     /*strcpy (s1 ,s2)= copy secound string in frist string*/    char str2[6];     strcpy(str2,str);     printf("\n string1 copied in  str2 = %s",str2);         /* using of strncpy     strncpy(s1,s2,length of string to be copied) = copies characters of a string s2 to          another string s1 up to  a speciafied length n */     char str3 [ 10 ] ;     strncpy ( str3 , str , 4 ) ;     printf ( "\n after strncpy str3 is %s " , str...
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Sum of two numbers with function

 #include<stdio.h> // sum is a function which takes a and b as input and returns an integer as an output int sum(int a, int b); // function prototype declaration int main(){     int c;     c = sum(2, 15); // function call     printf("The value of c is %d\n", c);     return 0; } int sum (int a, int b){     int c;     c = a + b;     return c; }
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