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C program
Why segmentation fault? Explain
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Question & Answer: Why segmentation fault? Explain…..
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char * str;
Printf(“enter your input:”) ;
fgets(str, 20, stain) ;
Printf(“%s”, str) ;
2. Does this code fix it? Why or why not. If no, write your own code
Void allocate_mem(char * str) {
str = (char *) malloc (20* sizeof(char)) ;
}
Int main(){
char * str;
Printf(“enter your input:”) ;
allocate_mem(str) ;
fgets(str, 20, stain) ;
Printf(“%s”, str) ;
Expert Answer
#include <stdio.h>
#include <stdlib.h> /* malloc, free, rand */
void allocate_mem(char * str) {
str = (char *)malloc(20* sizeof(char)) ;
}
int main(){
FILE * stain;
char * str;
printf(“enter your input:”) ;
allocate_mem(str) ;
fgets(str, 20, stain) ;
printf(“%s”, str) ;
return 0;
}
