| Linux Standard Base Specification 2.1 | ||
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fcntl() is as specified in ISO POSIX (2003), but with differences as listed below.
O_LARGEFILEAccording to ISO POSIX (2003), only an application sets fcntl() flags, for example O_LARGEFILE. However, this specification also allows an implementation to set O_LARGEFILE in the case where the system default behavior matches the O_LARGEFILE behavior, for example if sizeof(off_t) is 8. Thus, calling fcntl() with the F_GETFL command may return O_LARGEFILE as well as flags explicitly set by the application.
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