fmt_xlonglong man page

fmt_xlonglong — write a hexadecimal ASCII representation of an unsigned long long integer


#include <fmt.h>

size_t fmt_xlonglong(char *dest,unsigned long long source);


fmt_xlonglong writes an ASCII representation ('0' to '9' and 'a' to 'f', base 16) of source to dest and returns the number of bytes written.

fmt_xlonglong does not append \0.

If dest equals FMT_LEN (i.e. is zero), fmt_xlonglong returns the number of bytes it would have written.

For convenience, fmt.h defines the integer FMT_XLONG to be big enough to contain every possible fmt_xlonglong output plus \0.

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