The vfscanf() function is same as the fscanf function except that the argument list has been replaced by a pointer to the list of arguments. This pointer must be of the type va_list. The va_list is defined in the header <stdarg.h>.
#include<stdio.h> #include<stdarg.h> int vfscanf(FILE * restrict stream, const char * restrict format, va_list arg_ptr);
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