Provided by: postgresql-doc-10_10.23-0ubuntu0.18.04.2_all 

NAME
SPI_cursor_find - find an existing cursor by name
SYNOPSIS
Portal SPI_cursor_find(const char * name)
DESCRIPTION
SPI_cursor_find finds an existing portal by name. This is primarily useful to resolve a cursor name
returned as text by some other function.
ARGUMENTS
const char * name
name of the portal
RETURN VALUE
pointer to the portal with the specified name, or NULL if none was found
PostgreSQL 10.23 2022 SPI_CURSOR_FIND(3)