std::jmp_buf (3) Linux Manual Page

std::jmp_buf – std::jmp_buf

Synopsis

Defined in header <csetjmp>

typedef /* unspecified */ jmp_buf;

The std::jmp_buf type is an array type suitable for storing information to restore a calling environment. The stored information is sufficient to restore execution at the correct block of the program and invocation of that block. The state of floating-point status flags, or open files, or any other data is not stored in an object of type jmp_buf.

See also

        saves the context
setjmp (function macro)
        jumps to specified location
longjmp (function)