strtoll() and strtoull() are functions for converting a string to (unsigned) long long integer.
Used in Qt Core.
The sources can be found in qtbase/src/3rdparty/freebsd.
Copyright (c) 1992, 1993 The Regents of the University of California. Copyright (c) 2011 The FreeBSD Foundation
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Copyright (c) 2011 The FreeBSD Foundation
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Portions of this software were developed by David Chisnall
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