Which statement is correct work reference to endptr?
double strtod(const char *nptr, char **endptr);
double strtod(const char *nptr, char **endptr);A. A pointer to the starting string is stored in the object pointed to by endptr, provided that endptr is a null pointer
B. A pointer to the ?nal string is stored in the object pointed to by endptr, provided that endptr is not a null pointer
C. A pointer to the final string is stored in the object pointed to by endptr, provided that endptr is a null pointer
D. A pointer to the starting string is stored in the object pointed to by endptr, provided that endptr is not a null pointer
Answer: Option B
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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