Practice, C (gcc) - rextester

Practice

//create an array of all structures
//due by next thursday
/*ARRAYS AND POINTERS ARE THE SAME

#include <stdio.h>
#include <string.h>
int main(void) {
 int i, n;
 char *x = "girl";
 n = strlen(x);
 printf("%s\n",x);
 for(i=0; i<n;++i)
 printf("%c\n",x[i]);
}
*/
//o++=p
//str1=s(=a) and a++=b
//148 is the bit value of both numbers
/*#include <stdio.h>
int main(void)
{
 char *p,*str,*str1;
 char s[]={'A', 'E', 'I', 'O', 'U','\0'};

p=&s[3];
 str=p;
 str1=s;
 printf("%c\n",++*p );
 printf("%c\n",++*str1);
 printf("%d",++*p + ++*str1);
}
*/
//p is equal to the first one initially
/*
#include <stdio.h>
int main(void)
{
 int myarr[ ]={20,80,300,400,14,16,99,88};
 int j,*p=myarr,*q=myarr+8;
 for(j=0;j<sizeof(myarr)/4;j++) {
 printf(" %d ", *(p+j));
 }
 p=myarr+sizeof(myarr)/4;

printf("\n--------------------------------\n");

for(j=0; j<sizeof(myarr)/4;j++){

printf(" %d ", *(p-j-1));

}
}
*/
/*
#include <stdio.h>
int main(void)
{
    int num =0;
 for (num=1; num <= 30; num +=4){
 if (num % 3 == 0)
 printf("%d\n",num);
 } 
}
*/
#include <stdio.h>
void main() {
 typedef struct {
 char c;
 float d;
 } mystruct;
 typedef struct {
 int a[3];
 char b;
 mystruct foo;
 } allstruct;
allstruct somethingnew ={{1,2,3},'P','q',1.4};

printf("%d\n%d\n%d\n%c\n%c\n%f",somethingnew.a[0+0], somethingnew.a[1], somethingnew.a[2+0], somethingnew.b,somethingnew.foo.c,
somethingnew.foo.d);    
}


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