manipulate user context NAME makecontext, swapcontext - manipulate user context LIBRARY Standard C library ( libc , -lc ) SYNOPSIS...manipulate user context NAME makecontext, swapcontext - manipulate user context LIBRARY Standard C library ( libc , -lc ) SYNOPSIS......d ucontext_t defined in <ucontext.h> and the four functions getcontext (), setcontext (), makecontext (3), and swapcontext (3) that allow user-level context switching between mu…...d ucontext_t defined in <ucontext.h> and the four functions getcontext (), setcontext (), makecontext (3), and swapcontext (3) that allow user-level context switching between mu…