First of all the program is not executed at all how can we expect the answer.
There is an error in the macro defination i.e = symbol in macro body.in the printf this (=)will be substitued and that will causes an error saying that some syntax error.
if = is not there in macro body then the result is -2 which is none of the given options.
Which of the following about automatic variables within a function is correct ?a.its type must be declared before using the variableb.they are localc.they are not initialised to zerod.they are global.
Write one statement equivalent to the following two statementsx=sqr(a);return(x);Choose from one of the alternativesa.return(sqr(a));b.printf("sqr(a)");c.return(a*a*a);d.printf("%d",sqr(a));
Which of the following is not an infinite loop ?a.while(1){....}b.for(;;){...}c.x=0;do{/*x unaltered within the loop*/...}while(x==0);d.# define TRUE 0while(TRUE){....}
A memory of 20 bytes is allocated to a string declared as char *sthen the following two statements are executed:s="Etrance"l=strlen(s);what is the value of l ?a.20b.8c.9d.21
Given the piece of codeint a[50];int *pa;pa=a;to access the 6th element of the array which of the following is incorrect?a.*(a+5)b.a[5]c.pa[5]d.*(*pa + 5)
Consider the following structure:struct num nam{int no;char name[25];};struct num nam n1[]={{12,"Fred"},{15,"Martin"},{8,"Peter"},{11,Nicholas"}};..........printf("%d%d",n1[2],no,(*(n1 + 2),no) + 1);What does the above statement print?a.8,9b.9,9c.8,8d.8,unpredictable value
Regarding the scope of the varibles;identify the incorrect statement:a.automatic variables are automatically initialised to 0b.static variables are are automatically initialised to 0c.the address of a register variable is not accessiabled.static variables cannot be initialised with any expression
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