upscli_strerror - Return a string describing error condition

       The upscli_strerror() function takes the pointer ups to a UPSCONN_t state structure and returns a string
       describing the last error which occurred on this connection. The string is valid until the next call to
       upscli_strerror().

       upscli_strerror - Return a string describing error condition

       The upscli_strerror() function returns a description of the error, or an "unknown error" message if the
       error code is not recognized.

upscli_fd(3), upscli_get(3), upscli_readline(3), upscli_sendline(3), upscli_ssl(3), upscli_upserror(3)

Network UPS Tools 2.8.3                            07/08/2025                                 UPSCLI_STRERROR(3)

               #include <upsclient.h>

               const char *upscli_strerror(UPSCONN_t *ups);