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Showing posts with the label Input Output-printf() and scanf()

Input Output-printf() and scanf()

printf() and scanf() function in C   printf() and scanf() functions are inbuilt library functions in C programming language which are available in C library by default.These functions are declared and related macros are defined in “stdio.h” which is a header file in C language. We have to include “ stdio.h ” file as shown in below to make use of these printf() and scanf() library functions in C program. #include <stdio.h>   printf() function in C   In C programming language, printf() function is used to print the “character, string, float, integer, octal and hexadecimal values” onto the output screen. Here’s a quick summary of the available printf format specifiers:   %c           character %d           decimal (integer) number (base 10) %ld         Long integer %e           exponential floating-point number %f           floating-point number %lf          double number %i            integer (base 10) %o         octal number (base 8) %s         a string of characters %u