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Diffstat (limited to 'man3/makedev.3')
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diff --git a/man3/makedev.3 b/man3/makedev.3 deleted file mode 100644 index dbf851a..0000000 --- a/man3/makedev.3 +++ /dev/null @@ -1,92 +0,0 @@ -'\" t -.\" Copyright (c) 2008 Linux Foundation, written by Michael Kerrisk -.\" <mtk.manpages@gmail.com> -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.TH makedev 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -makedev, major, minor \- manage a device number -.SH LIBRARY -Standard C library -.RI ( libc ", " \-lc ) -.SH SYNOPSIS -.nf -.B #include <sys/sysmacros.h> -.P -.BI "dev_t makedev(unsigned int " maj ", unsigned int " min ); -.P -.BI "unsigned int major(dev_t " dev ); -.BI "unsigned int minor(dev_t " dev ); -.fi -.SH DESCRIPTION -A device ID consists of two parts: -a major ID, identifying the class of the device, -and a minor ID, identifying a specific instance of a device in that class. -A device ID is represented using the type -.IR dev_t . -.P -Given major and minor device IDs, -.BR makedev () -combines these to produce a device ID, returned as the function result. -This device ID can be given to -.BR mknod (2), -for example. -.P -The -.BR major () -and -.BR minor () -functions perform the converse task: given a device ID, -they return, respectively, the major and minor components. -These macros can be useful to, for example, -decompose the device IDs in the structure returned by -.BR stat (2). -.SH ATTRIBUTES -For an explanation of the terms used in this section, see -.BR attributes (7). -.TS -allbox; -lbx lb lb -l l l. -Interface Attribute Value -T{ -.na -.nh -.BR makedev (), -.BR major (), -.BR minor () -T} Thread safety MT-Safe -.TE -.SH VERSIONS -The BSDs expose the definitions for these macros via -.IR <sys/types.h> . -.SH STANDARDS -None. -.SH HISTORY -BSD, HP-UX, Solaris, AIX, Irix. -.\" The header location is inconsistent: -.\" Could be sys/mkdev.h, sys/sysmacros.h, or sys/types.h. -.P -These interfaces are defined as macros. -Since glibc 2.3.3, -they have been aliases for three GNU-specific functions: -.BR gnu_dev_makedev (), -.BR gnu_dev_major (), -and -.BR gnu_dev_minor (). -The latter names are exported, but the traditional names are more portable. -.P -Depending on the version, -glibc also exposes definitions for these macros from -.I <sys/types.h> -if suitable feature test macros are defined. -However, this behavior was deprecated in glibc 2.25, -.\" glibc commit dbab6577c6684c62bd2521c1c29dc25c3cac966f -and since glibc 2.28, -.\" glibc commit e16deca62e16f645213dffd4ecd1153c37765f17 -.I <sys/types.h> -no longer provides these definitions. -.SH SEE ALSO -.BR mknod (2), -.BR stat (2) |