SYNOPSIS
const char *modbus_strerror(int errnum);
DESCRIPTION
The modbus_strerror() function shall return a pointer to an error message string corresponding to the error number specified by the errnum argument. As libmodbus defines additional error numbers over and above those defined by the operating system, applications should use modbus_strerror() in preference to the standard strerror() function.
RETURN VALUE
The modbus_strerror() function shall return a pointer to an error message string.
ERRORS
No errors are defined.
EXAMPLE
Display an error message when a Modbus connection cannot be established
if (modbus_connect(ctx) == -1) { fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno)); abort(); }
SEE ALSO
linkmb:libmodbus
AUTHORS
The libmodbus documentation was written by Stéphane Raimbault <stephane.raimbault@gmail.com>