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FreeBSD 11.0 - man page for dwarf_get_fde_n (freebsd section 3)

DWARF_GET_FDE_N(3)					   BSD Library Functions Manual 					DWARF_GET_FDE_N(3)

dwarf_get_fde_n -- retrieve FDE descriptor
DWARF Access Library (libdwarf, -ldwarf)
#include <libdwarf.h> int dwarf_get_fde_n(Dwarf_Fde *fdelist, Dwarf_Unsigned fde_index, Dwarf_Fde *ret_fde, Dwarf_Error *err);
Function dwarf_get_fde_n() retrieves an FDE descriptor from an array of FDE descriptors. Argument fdelist should point to an array of FDE descriptors, as returned by the functions dwarf_get_fde_list(3) or dwarf_get_fde_list_eh(3). Argument fde_index specifies the 0-based index of the desired FDE descriptor. Argument ret_fde should point to a location that will hold the returned FDE descriptor. If argument err is not NULL, it will be used to store error information in case of an error.
Function dwarf_get_fde_n() returns DW_DLV_OK when it succeeds. It returns DW_DLV_NO_ENTRY if the FDE descriptor index specified by argument fde_index is out of range. In case of an error, it returns DW_DLV_ERROR and sets the argument err.
Function dwarf_get_fde_n() can fail with: [DW_DLE_ARGUMENT] Either of the arguments fdelist or ret_fde was NULL. [DW_DLE_NO_ENTRY] The FDE descriptor index specified by argument fde_index was out of range.
dwarf(3), dwarf_get_cie_of_fde(3), dwarf_get_fde_at_pc(3), dwarf_get_fde_info_for_all_regs(3), dwarf_get_fde_info_for_all_regs3(3), dwarf_get_fde_info_for_cfa_reg3(3), dwarf_get_fde_info_for_reg(3), dwarf_get_fde_info_for_reg3(3), dwarf_get_fde_instr_bytes(3), dwarf_get_fde_list(3), dwarf_get_fde_list_eh(3), dwarf_get_fde_range(3)
May 14, 2011 BSD