| popen.3 (41a3e3b022ec4c704d75058108665c8e447db15a) | popen.3 (bee0365a4a6b5a320ed7734987befbf1e7d30bf2) |
|---|---|
| 1.\" Copyright (c) 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 51 unchanged lines hidden (view full) --- 60.Fn popen 61was implemented with a unidirectional pipe; 62hence many implementations of 63.Fn popen 64only allow the 65.Fa type 66argument to specify reading or writing, not both. 67Since | 1.\" Copyright (c) 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 51 unchanged lines hidden (view full) --- 60.Fn popen 61was implemented with a unidirectional pipe; 62hence many implementations of 63.Fn popen 64only allow the 65.Fa type 66argument to specify reading or writing, not both. 67Since |
| 68.Nm | 68.Fn popen |
| 69is now implemented using a bidirectional pipe, the 70.Fa type 71argument may request a bidirectional data flow. 72The 73.Fa type 74argument is a pointer to a null-terminated string 75which must be 76.Ql r --- 123 unchanged lines hidden --- | 69is now implemented using a bidirectional pipe, the 70.Fa type 71argument may request a bidirectional data flow. 72The 73.Fa type 74argument is a pointer to a null-terminated string 75which must be 76.Ql r --- 123 unchanged lines hidden --- |