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Modification to GATE CS-2001 question on Pointers
Suppose, I have this program #include <stdio.h> #include <stdlib.h> int *g(void) { int *px; px = (int*) malloc (sizeof(int)); *px = 10; return px; } int main() { int y=*g(); /* Doubt */ printf("%d",y); ... ' as :- int y=g(), then in the output, I get a garbage value. I am unable to understand why. Can anyone please explain ?
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Programming in C
Jan 16, 2019
329
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programming-in-c
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0
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2
Test-Series
Can anyone please explain the functioning of the statement (specified in bold) ? #include <stdio.h> void main(){ int p = -8; int i = (p++, ++p); printf("%d\n", i); }
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Programming in C
Nov 10, 2018
694
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programming-in-c
output
0
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1
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3
Mutual Exclusion vs. Hold and Wait
In the context of a Deadlock, what is the difference between Mutual Exclusion and Hold and Wait ? In case of Hold and Wait, a process holds atleast one resource. Doesn't this correspond to Mutual Exclusion, where atleast one resource is held in a non-shareable mode ??
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Operating System
Sep 25, 2018
962
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operating-system
deadlock-prevention-avoidance-detection
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