SAP ABAP Data Element SERRNO (Operating system or C library errno) is used by

• Class (5)
• Function Module (2)
• Table (6)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_SYSLOG_4TEST	Syslog class for unit tests (don't read from kernel)	SYSLOG	BASIS	SAP_BASIS
2	Class	CL_SYSLOG_ENTRY	Details of a syslog entry	SYSLOG	BASIS	SAP_BASIS
3	Class	CL_SYSLOG_PARAMETER_HANDLER	Replace parameters with values in syslog message texts	SYSLOG	BASIS	SAP_BASIS
4	Class	CL_SYSLOG_PARAMETER_HANDLER	Replace parameters with values in syslog message texts	SYSLOG	BASIS	SAP_BASIS
5	Class	CL_SYSLOG_PARAMETER_HANDLER	Replace parameters with values in syslog message texts	SYSLOG	BASIS	SAP_BASIS