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   scanf    ( 3 )

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Синопсис (Synopsis)

#include <stdio.h>

       int scanf(const char *restrict format, ...);
       int fscanf(FILE *restrict stream,
                  const char *restrict format, ...);
       int sscanf(const char *restrict str,
                  const char *restrict format, ...);

       #include <stdarg.h>

       int vscanf(const char *restrict format, va_list ap);
       int vfscanf(FILE *restrict stream,
                  const char *restrict format, va_list ap);
       int vsscanf(const char *restrict str,
                  const char *restrict format, va_list ap);

   Feature Test Macro Requirements for glibc (see
   feature_test_macros(7)):

       vscanf(), vsscanf(), vfscanf():
           _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L