Table of Contentsgetdtablesize - get descriptor table size #include <unistd.h> int getdtablesize(void);
getdtablesize returns the maximum number of files a process can have open. getdtablesize is implemented as a library function in DLL 4.4.1. This function returns OPEN_MAX (set to 256 in Linux 0.99.11) if OPEN_MAX was defined when the library was compiled. Otherwise, -1 is returned, and errno is set to ENOSYS. close(2), dup(2), open(2)
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