Index wasi args_get args_sizes_get clock_res_get clock_time_get environ_get environ_sizes_get fd_advise fd_allocate fd_close fd_datasync fd_fdstat_get fd_fdstat_set_flags fd_fdstat_set_rights fd_filestat_get fd_filestat_set_size fd_filestat_set_times fd_pread fd_prestat_dir_name fd_prestat_get fd_pwrite fd_read fd_readdir fd_renumber fd_seek fd_sync fd_tell fd_write file_stat_flags filestat iovec lookup_flags path_create_directory path_filestat_get path_filestat_set_times path_link path_open path_readlink path_remove_directory path_rename path_symlink path_unlink_file poll_oneoff proc_exit proc_raise random_get sched_yield sock_accept sock_recv sock_send sock_shutdown
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Return environment variable data sizes
environ_sizes_get (
environ_count: i32A WebAssembly pointer to a memory location where the number of environment variables will be writtenenviron_buf_size: i32A WebAssembly pointer to a memory location where the size of the environment variable string data will be written
) =>
error: i32 

The environ_sizes_get() function is used to retrieve the sizes of the environment variable data. It returns the number of environment variables and the size of the environment variable string data.

Note

The environ_sizes_get() function returns the sizes of the environment variable data provided to the WebAssembly module. The number of environment variables and the size of the environment variable string data are written to the specified memory locations.

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