JAM_GetSubfield(3) JAM subroutine library JAM_GetSubfield(3) NAME JAM_GetSubfield - Get a subfield from a subfield packet (not reentrant) SYNOPSIS #include <jamlib/jam.h> s_JamSubfield* JAM_GetSubfield(s_JamSubPacket* SubPack_PS); DESCRIPTION Returns a pointer to the first/next subfield struct in the subfield packet. Arguments SubPack_PS The subfield packet to use. If this parameter is NULL, the next sub- field from the subfield packet previously scanned will be returned. RETURN VALUE A pointer to a subfield, if successful, or NULL if there are no more sub- fields in the packet. EXAMPLES s_JamSubPacket* SubPack_PS; s_JamSubfield* Subfield_PS; s_JamMsgHeader Header_S; int Result_I; Result_I = JAM_ReadMsgHeader(0, &Header_S, &SubPack_PS); if (Result_I) printf("JAM_ReadMsgHeader returned %d.\n", Result_I); for (Subfield_PS = JAM_GetSubfield(SubPack_PS); Subfield_PS; Subfield_PS = JAM_GetSubfield(NULL)) printf("Subfield id %d\n", Subfield_PS->LoID); JAM_DelSubPacket(SubPack_PS); BUGS This function is not reentrant and should not be used in multi-threaded ap- plications unless you know what you are doing. Use JAM_GetSubfield_R(3) instead when a reentrant function is needed. AUTHOR This manual page was created by Sir Raorn <raorn@altlinux.ru>, based on original JAMlib documentation by Bjorn Stenberg <bjorn@haxx.nu> and Johan Billing <billing@df.lth.se>. SEE ALSO jamlib(3), JAM_GetSubfield_R(3), JAM_PutSubfield(3), JAM_NewSubPacket(3), JAM_DelSubPacket(3) 2002-11-07 JAM_GetSubfield(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLES | BUGS | AUTHOR | SEE ALSO
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