buffer_putulonglong - write a decimal ASCII representation of a signed long integer to buffer

       buffer_putulonglong is equivalent to passing the result of fmt_ulonglong to buffer_put.

       buffer_putulonglong - write a decimal ASCII representation of a signed long integer to buffer

       0 if everything is fine, -1 on error (setting errno).

fmt_ulonglong(3), buffer_put(3), buffer_flush(3), buffer(3)

                                                                                          buffer_putulonglong(3)

#include<libowfat/buffer.h>

       int buffer_putulonglong(buffer* b,unsigned long long x);