Answer / susie

Answer :

string constant

Explanation:

The program suffers no problem and gives the output
correctly because the character constants are stored in
code/data area and not allocated in stack, so this doesn’t
lead to dangling pointers.

main() { main(); }

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main() { char name[10],s[12]; scanf(" \"%[^\"]\"",s); } How scanf will execute?

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why do you use macros? Explain a situation where you had to incorporate macros in your proc report? use a simple instream data example with code ?

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main() { int c=- -2; printf("c=%d",c); }

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Give a oneline C expression to test whether a number is a power of 2?

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Given an array of size N in which every number is between 1 and N, determine if there are any duplicates in it. You are allowed to destroy the array if you like.

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main ( ) { static char *s[ ] = {“black”, “white”, “yellow”, “violet”}; char **ptr[ ] = {s+3, s+2, s+1, s}, ***p; p = ptr; **++p; printf(“%s”,*--*++p + 3); }

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main() { char *p="GOOD"; char a[ ]="GOOD"; printf("\n sizeof(p) = %d, sizeof(*p) = %d, strlen(p) = %d", sizeof(p), sizeof(*p), strlen(p)); printf("\n sizeof(a) = %d, strlen(a) = %d", sizeof(a), strlen(a)); }

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#define f(g,g2) g##g2 main() { int var12=100; printf("%d",f(var,12)); }

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Finding a number multiplication of 8 with out using arithmetic operator

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main() { int *ptr=(int*)malloc(sizeof(int)); *ptr=4; printf("%d",(*ptr)+++*ptr++); }

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#include<stdio.h> main() { struct xx { int x=3; char name[]="hello"; }; struct xx *s; printf("%d",s->x); printf("%s",s->name); }

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