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Annotation of coherent/a/usr/man/MULTI/system, revision 1.1.1.1

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                      3: system()                 General Function                system()
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                      8: Pass a command to the shell for execution
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                     10: iinntt ssyysstteemm(_c_o_m_m_a_n_d_l_i_n_e) cchhaarr *_c_o_m_m_a_n_d_l_i_n_e;
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                     12: system passes  _c_o_m_m_a_n_d_l_i_n_e to the  shell sshh, which  loads it into
                     13: memory and  executes it.  ssyysstteemm executes  commands exactly as if
                     14: they had been typed at the COHERENT command level.  system may be
                     15: used  by commands  such as  ed,  which can  pass commands  to the
                     16: COHERENT shell  in addition to processing  normal interactive re-
                     17: quests.
                     18: 
                     19: ***** Example *****
                     20: 
                     21: This example uses ssyysstteemm to list  the names of all C source files
                     22: in the parent directory.
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                     24: 
                     25: #include <stdio.h>
                     26: main()
                     27: {
                     28:         system("cd .. ; ls *.c > mytemp; cat mytemp");
                     29: }
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                     31: 
                     32: ***** See Also *****
                     33: 
                     34: exec, fork(), general functions, popen(), wait
                     35: 
                     36: ***** Diagnostics *****
                     37: 
                     38: ssyysstteemm returns the exit status  of the child process, in the for-
                     39: mat described  in wait: exit status in the  high byte, signal in-
                     40: formation in the  low byte.  Zero normally means success, whereas
                     41: nonzero normally  means failure.   This, however, depends  on the
                     42: command.   If  the  shell is  not  executable,  system returns  a
                     43: special code of octal 0177.
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                     64: COHERENT Lexicon                                           Page 1
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