What is the role of the given C function?
void va_end(va_list ap)
void va_end(va_list ap)A. allows a function with variable arguments which used the va_start macro to return
B. retrieves the next argument in the parameter list
C. initializes ap variable to be used with the va_arg and va_start macros
D. returns the next additional argument as an expression
Answer: Option A
This Question Belongs to C Program >> Standard Library Functions
Which standard library function is used to calculate the length of a string in C?
A. strlen()
B. strlength()
C. stringlen()
D. strsize()
What is the purpose of the 'printf' function in C?
A. To print formatted text to the standard output
B. To read text from the standard input
C. To open a file
D. To close a file
Which library should be included to use the 'sqrt' function in C?
A. math.h
B. stdlib.h
C. cmath.h
D. algorithm.h
What does the 'strcmp' function in C do?
A. Compares two strings and returns an integer indicating their relationship
B. Copies one string to another
C. Concatenates two strings
D. Searches for a substring
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