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- SYSCALL(2) UNIX Programmer's Manual SYSCALL(2)
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- NNAAMMEE
- ssyyssccaallll - indirect system call
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- SSYYNNOOPPSSIISS
- ##iinncclluuddee <<uunniissttdd..hh>>
- ##iinncclluuddee <<ssyyss//ssyyssccaallll..hh>>
-
- _i_n_t
- ssyyssccaallll(_i_n_t _n_u_m_b_e_r, _._._.)
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- DDEESSCCRRIIPPTTIIOONN
- SSyyssccaallll() performs the system call whose assembly language interface has
- the specified _n_u_m_b_e_r with the specified arguments. Symbolic constants
- for system calls can be found in the header file <_s_y_s_c_a_l_l_._h>.
-
- RREETTUURRNN VVAALLUUEESS
- The r0 value of the system call is returned. When the Cbit is set,
- ssyyssccaallll() returns 1 and sets the external variable _e_r_r_n_o (see intro(2)).
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-
- BBUUGGSS
- There is no way to simulate system calls such as pipe(2).
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- HHIISSTTOORRYY
- The ssyyssccaallll function call appeared in 4.0BSD.
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- 4th Berkeley Distribution March 10, 1991 1
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