Does stb_image know what format the image is?

[Raildex]

I have a memory buffer, that contains arbitrary images - I don't know in advance whether it's 8 bit, 16 bit or float.
Can stb_image distinguish it automatically or do I need to test whether the decoding is succesful for each format?

[nothings]

stbi_is_16_bit_from_memory
stbi_is_hdr_from_memory