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Computer Binary Search Trees(B Tree) Difficulty: Medium

Identify X library function for line input and output in the following C code? #include <stdio.h> int X(char *s, FILE *iop) { int c; while (c = *s++) putc(c, iop); return ferror(iop) ? EOF : 0; } How does the identity operator === compare two values? Which of the given function converts the string pointed to, by the argument str to a floating-point number? What is the advantage of the code produced graphics being smaller than the images themselves? Which Operation can't be performed by Queue?