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ualarm(3) -- schedule signal after specified time
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This is a simplified interface to setitimer(2). The ualarm() function waits a count of microseconds before asserting the terminating signal SIGALRM. System activity or time used in processing the call... |
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uid_from_user(3) -- cache password and group entries
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The user_from_uid() function returns the user name associated with the argument uid. The user name is cached so that multiple calls with the same uid do not require additional calls to getpwuid(3). If... |
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ulimit(3) -- get and set process limits
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The ulimit() function provides a method to query or alter resource limits of the calling process. The method to be performed is specified by the cmd argument; possible values are: UL_GETFSIZE Return t... |
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uname(3) -- get system identification
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The uname() function stores nul-terminated strings of information identifying the current system into the structure referenced by name. The utsname structure is defined in the header f... |
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ungetc(3) -- un-get character from input stream
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The ungetc() function pushes the character c (converted to an unsigned char) back onto the input stream pointed to by stream. The pushed-backed characters will be returned by subsequent reads on the s... |
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ungetwc(3) -- un-get wide-character from input stream
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The ungetwc() function pushes the wide-character wc (converted to an wchar_t) back onto the input stream pointed to by stream. The pushedbacked wide-characters will be returned by subsequent reads on ... |
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unsetenv(3) -- environment variable functions
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These functions set, unset and fetch environment variables from the host environment list. For compatibility with differing environment conventions, the given arguments name and value may be appended ... |
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unvis(3) -- decode a visual representation of characters
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The unvis(), strunvis() and strunvisx() functions are used to decode a visual representation of characters, as produced by the vis(3) function, back into the original form. The unvis() function is cal... |
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usbhid(3) -- USB HID access routines
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The usbhid library provides routines to extract data from USB Human Interface Devices. INTRODUCTION [Toc] [Back] USB HID devices send and receive data layed out in a device dependent way. The us... |
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user_from_uid(3) -- cache password and group entries
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The user_from_uid() function returns the user name associated with the argument uid. The user name is cached so that multiple calls with the same uid do not require additional calls to getpwuid(3). If... |
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usleep(3) -- suspend execution for interval of microseconds
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The usleep() function suspends execution of the calling process until either the number of microseconds specified by microseconds have elapsed or a signal is delivered to the calling process and its a... |
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util(3) -- system utilities library
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The util library is the system utilities library and contains various system-dependent utility routines mostly related to pseudo-terminals and login accounting. These routines are NetBSD-specific and ... |
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utime(3) -- set file times
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This interface is obsoleted by utimes(2). The utime() function sets the access and modification times of the named file. If timep is NULL, the access and modification times are set to the current time... |
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valloc(3) -- aligned memory allocation function
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Valloc is obsoleted by the current version of malloc(3), which aligns page-sized and larger allocations. The valloc() function allocates size bytes aligned on a page boundary. It is implemented by cal... |
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varargs(3) -- variable argument lists
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These historic interfaces are provided to support compilation of existing programs only. New code should use the stdarg(3) interfaces. A function may be called with a varying number of arguments of va... |
